gistfile1.rb

data = [
  [-19, -31, 61, -66, -6, 104, 358, -165, 181, -5, -75, 42, 111, 685, 42, 105, 70, 151, 130, 318, 289, 106, 135, 816, 108, 275, 57, 150, 19, -18, 11, -19, 1115, 614, -49, 45, 415, 305, 623, 76, 173, 103, 58, 36, 10, 14, 21, -72, -38, 116, 99, 18, 85, 96, 91, -8, 82, -5, 1, 68, 67, 95, 97, 83, 20, 92, 418, 58, 1072, -854, -590, -1002, 1, -18, 53, -240, 191, 224, 172, 3, -217, 5, -126, 23, 31, 11, 119, 149, 21, -2, 68, -46, 472, 227, 315, 204, 32, 73, 199, 209, 99, 6, 41, 36, -120, -11, -101, 96, -235, 11, 65, -10, 5, 56, 173, 3854, -32, 98, 12, 191, 138, 94, 164, 31, 145, 245, 83, -47, 36, -59, -110, -61, -147, -4, 167, 89, 80, 485, 65, 30, 133, -1, 152, -54, 24, 38, 210, 105, 98, -23, 66, 99, 121, 153, 532, 112, 141, 125, 81, 333, 16, 153, 282, 44, 415, -5, 509, 169, 93, 339, 8, 27, -264, -706, -558, -33, -52, 68, -72, 40, 7, 91, 297, 54, 228, 174, 11, 1, 69, -102, -121, 2, 1259, 1366, 291, 17, 67, 122, 90, -663, 100, 399, 12, 221, 86, -744, -347, -150, -40, 133, 847, 144, 72, 7, 361, -46, 290, 138, 37, -364, 23, 24, 126, -126, 54, 35, -2, -120, 467, -258, 11, -126, -4, 54, 5, 5083, 233, 5, 2833, 87, -1074, 231, -3, -16, -3, 50, 198, 77, 68, -10, 52, 30, 115, -11, 291, 38, -156, 37, 34, 72, -10, 39, -22, 55, 72, 97, -3, -194, 6, -132, 32, 19, -27, 68, -5, -11, 3, -15, -1, 66, 92, 22, 94, 60, 95, 82, 1, 56, -67, 7, 12, 43, 58, 1, 20, 3, 942, 74, 48, 21, 6, 17, 107, 46, -101, 4, 324, 389, 3, 348, 119, 196, 7, 11, 9, 89, -2, 628, 246, 24, 5, 15, -5, -7, -25, 33, 8, 424, 62, 116, -4, -223, 145, 310, 7, -31, 305, 141, 118, 12, 6, 48, -44, 14, 4],
  [7, 33, 9, 11, 4, 7, 60, 88, -92, 7, 40, 5, -224, -294, -40, 41, 3, 2, 41, 25, 36, 3, 13, 13, 76, 6, 1, 17, 5, -18, 14, 14, -103, 2, 1, 60, -108, 28, 90, 3, 105, 91, 6, 19, 25, -44, 5, 115, 33, 9, 2, 13, 4],
  [1, -1, 1524, -30, 1, 414, 173, 756, 29, -27, 137, 60, -2, 3, 168, 35, 9, 12, 1, 24, 17, 36, 11, 8, 23, 11, 76, 15, 8]
]


max_value = data.flatten.max
    min_value = data.flatten.min
    chart = Gchart.new(
      :size => '1000x300',
      :type => 'line',
      :title => 'Lines per Day',
      :theme => :keynote,
      :data => data,
      :max_value => max_value,
      :min_value => min_value,
      :legend => ['Juan', 'John', 'Silvia'],
      :axis_with_labels => ['y'],
      :line_colors => 'ff0000,00ff00,0000ff,000000',
      :filename => 'foo.png'
    )